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1, the distribution box table should be based on the different power of indoor electrical equipment, wiring power supply, power distribution respectively, high power appliances should be independent wiring installation socket.
2, wiring, phase line and neutral line color should be different, the same house phase line (L) color should be unified, neutral line (N) should be blue, protection line (PE) must be yellow and green two-color line.
3, the resistance between the wires and the wire to the ground must be greater than 0.5MΩ, each weak current subsystem are star structure.
4. Steel pipes should be used when local interference sources exist on the route and the minimum clear distance cannot be met.
 5. The straight line laying length of the hidden pipe is more than 30 meters, and a wire box should be installed in the middle.
 6. When the hidden pipe must be bent for laying, its routing length should be less than or equal to 15 meters, and there should be no S bend in this section. When bending more than 2 times in a row, a wire box should be installed. All the turns shall be completed by pipe bender, which is the standard turning radius. Three and four passes prohibited by the state shall not be adopted.
7. When distributing the power line, the cross-sectional area of the wire should meet the maximum output power of the electrical equipment.